CN110091572B - Packaging method of flexible solar cell module coiled material - Google Patents
Packaging method of flexible solar cell module coiled material Download PDFInfo
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- CN110091572B CN110091572B CN201910395066.8A CN201910395066A CN110091572B CN 110091572 B CN110091572 B CN 110091572B CN 201910395066 A CN201910395066 A CN 201910395066A CN 110091572 B CN110091572 B CN 110091572B
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 130
- 238000010030 laminating Methods 0.000 claims description 55
- 238000003825 pressing Methods 0.000 claims description 44
- 238000003860 storage Methods 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 23
- 230000001680 brushing effect Effects 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 30
- 239000003921 oil Substances 0.000 description 22
- 230000008569 process Effects 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 15
- 238000004804 winding Methods 0.000 description 11
- 238000003475 lamination Methods 0.000 description 7
- 239000002390 adhesive tape Substances 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
- B32B2309/025—Temperature vs time profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/12—Pressure
- B32B2309/125—Pressure vs time profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/60—In a particular environment
- B32B2309/68—Vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/12—Photovoltaic modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Fluid Mechanics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a packaging method of flexible solar cell module coiled material, which aims at the problem of lower heating efficiency when packaging flexible solar cell modules in the prior art, and the method uses materials of all layers in an adhesive bonding module, extrudes and heats the materials by a plurality of groups of hot press roll sets positioned on the same conveying plane until the modules are solidified, and vacuumizes the components while extruding and heating the modules, wherein the vacuum degree is-0.8 multiplied by 105Pa to-0.6X 105Pa, the vacuumizing time is 30-40 minutes, the method is adopted for packaging the assembly, the heating efficiency is higher in the heating process, and the synchronous vacuumizing during the heating process can ensure that the air bubbles are removed more completely and the packaging effect is better.
Description
Technical Field
The invention relates to the field of processing of flexible solar cell modules, in particular to a packaging method of a flexible solar cell module coiled material.
Background
The flexible solar cell module generally comprises three layers of materials, for example, the flexible solar cell module is composed of an upper light-transmitting PET plate, a lower light-transmitting PET plate and a middle flexible amorphous silicon thin film battery, the two adjacent layers of materials can be bonded by using adhesive tapes, the adhesive tapes are used for bonding the module, the adhesive tapes need to be torn off after the packaging processing is completed, the films can be bonded by using the adhesive tapes, and the flexible solar cell module is troublesome to process.
In the method for carrying out the flexible solar cell module in the prior art, the stacked module is heated by a heating device in the conveying process, then a compression roller group consisting of an upper hot roller and a lower hot roller is used for extruding the heated module, the two hot rollers in the compression roller group are opposite, and the module is extruded in the process of passing through between the two hot rollers to realize packaging. For example, chinese patent application publication No. CN102210378A, which is published on 7/13/2011, discloses a solar cell module laminating system including a heating chamber, a nip roller set, and a heat insulating cover sequentially arranged along a conveying direction of a solar cell module, wherein a laminated solar cell sheet is conveyed to the heating chamber by a conveying device, heated and conveyed to the nip roller set for lamination, and the heat insulating cover extends from an output end of the heating chamber to the nip roller set and covers the nip roller set.
The heating and laminating processes are carried out separately, the assembly leaves the heating chamber in the laminating process, the temperature is inevitably reduced to a certain degree even if the assembly is kept warm by the heat preservation cover, then the temperature of the assembly is inevitably reduced when the contact temperature is lower than the hot roller of the assembly, and if the glue is kept in a softened state when the hot roller pressurizes the assembly, the assembly is inevitably heated to a higher temperature in the early stage of temperature rise, and a margin is reserved for the inevitable temperature reduction, so that the energy waste in the temperature rise process is inevitably caused, and the heating efficiency is low. Furthermore, the lamination process is carried out by only one set of compression roller sets, the assembly per unit area being subjected to only one very brief compression, in which the air bubbles are difficult to completely remove.
Disclosure of Invention
The invention aims to provide a packaging method of a flexible solar cell module coiled material, aiming at the problem of low heating efficiency in the packaging of a flexible solar cell module in the prior art, and the heating efficiency can be improved.
The technical purpose of the invention is realized by the following technical scheme:
a method for packaging coiled material of flexible solar cell module includes sticking the materials of different layers in module, pressing by multiple hot press roller sets on the same conveying plane, heating until module is solidified, and vacuumizing while pressing and heating module to-0.8X 10 vacuum degree5Pa to-0.6X 105Pa, and the vacuumizing time is 30-40 minutes;
the glue is organic silicone glue, the temperature of the compression roller sets is sequentially increased from 50 +/-10 ℃ to 100 +/-10 ℃, the conveying speed of the assembly is 6-9 m/min, the distance between two adjacent compression roller sets is 30 +/-5 mm, and the pressurizing pressure of the heating roller is 500 plus and 750N/pair;
the diameter of the heating roller is 0.1-0.15m, and the temperature difference between adjacent heating rollers is 1-2 ℃;
cooling and solidifying after heating, pressurizing and vacuum solidifying, wherein the cooling and solidifying time is 0-30 minutes;
the packaging equipment with the structure comprises an unreeling device, a laminating device and a reeling device, wherein the laminating device comprises a laminating box, a hot roller rotationally arranged in the laminating box, a driving device for driving the hot roller to rotate, a heating device for heating the hot roller and a vacuumizing device for vacuumizing the laminating box; an outlet and an inlet are respectively arranged at two ends of the laminating box, and sealing devices are respectively arranged at the outlet and the inlet; every two hot rollers which are oppositely arranged up and down form a compression roller group, the compression roller groups are uniformly distributed along the conveying direction of the assembly, and the distance between the two hot rollers in the compression roller group is smaller than the thickness of the assembly; a vacuumizing interface communicated with an air inlet of a vacuumizing device is arranged on the laminating box;
a heater is fixedly arranged in the wall of the lamination box to heat the lamination cavity;
the glue brushing device is arranged between the unreeling device and the laminating device and is used for brushing glue, the glue brushing device comprises two symmetrically arranged glue storage boxes, and a glue outlet nozzle, a glue pressing mechanism and a scraper knife are sequentially arranged on the side walls, far away from each other, of the two glue storage boxes respectively; the glue outlet nozzle is arranged along the length direction of the box body, the length of the glue outlet nozzle is more than or equal to the width of the component, the glue storage box is provided with a glue pump, the outlet of the glue pump is communicated with the glue pump of the glue outlet nozzle, and the inlet of the glue pump is communicated with the glue storage box; the glue pressing mechanism comprises a pressing spring, a pressing seat and a rolling shaft, the stretching direction of the pressing spring is perpendicular to the conveying plane of the assembly, one end of the pressing spring is fixedly connected to the glue storage box, the other end of the pressing spring is fixedly connected with the pressing seat, the rolling shaft is rotatably connected to the pressing seat, the axis of the rolling shaft is parallel to the length direction of the glue storage box, and the length of the rolling shaft is larger than or equal to the width of the assembly; the scraper knife is arranged along the length of the glue storage boxes, the two glue storage boxes are respectively and fixedly arranged on the frame body and are symmetrically arranged relative to the conveying plane of the assembly, and the width direction of the glue storage boxes is parallel to the width direction of the assembly; when brushing glue, the middle layer material passes through between the two glue storage boxes, and the upper layer material and the lower layer material respectively pass by one sides of the two glue storage boxes far away from the conveying plane of the assembly and sequentially pass through the glue outlet nozzle, the rolling shaft and the scraper knife;
the glue brushing device also comprises two limiting plates parallel to the conveying plane of the assembly, the two limiting plates are respectively positioned at the upper end and the lower end of the glue brushing device, and the parts of the upper layer material and the lower layer material contacting the glue brushing device are tightly attached to the adjacent limiting plates;
a pressing device is further arranged between the glue brushing device and the laminating device and comprises two near wheels and two far wheels, the near wheels and the far wheels are four flexible wheels which are rotatably arranged, the near wheels and the far wheels are arranged along the width direction of the assembly, the lengths of the near wheels and the far wheels are more than or equal to the width of the assembly, and the rotating axes of the near wheels and the far wheels are parallel to the conveying plane of the assembly and vertical to the conveying direction of the assembly; the two near wheels are symmetrically arranged on the upper side and the lower side of the conveying plane of the assembly, and the distance between the two near wheels is smaller than or equal to the thickness of the assembly; two far wheels are also symmetrically arranged on the upper side and the lower side of the component conveying plane, and the vertical distance from the farthest point on the far wheels away from the component conveying plane to the component conveying plane is equal to the vertical distance from the farthest point on the far wheels away from the component conveying plane to the component conveying plane.
The laminating device also comprises a cooling device arranged between the laminating device and the winding device.
The method has the following beneficial effects:
the method of the invention uses materials of all layers in the adhesive bonding assembly, thereby avoiding the trouble of tearing off the adhesive tape after the packaging is finished. The assembly is packaged and processed by adopting a method of extruding and heating the assembly by a plurality of groups of compression roller sets and vacuumizing the assembly at the same time, the assembly is sequentially extruded by the plurality of groups of compression roller sets, the number of times of pressurization is increased, the extrusion is more sufficient, bubbles which cannot be thoroughly eliminated by one-time extrusion can be prevented from remaining in the glue, the bubbles can be thoroughly eliminated, and the packaging effect is good; the hot press roll group enables the heating and laminating processes of the assembly to be combined, compared with the prior art that the heat loss is small when the assembly is packaged, the energy is more fully utilized, and therefore the heating efficiency is improved; because the temperature of the assembly is gradually increased along with the increase of the number of the contact press rolls, the heating times are increased, so that the temperature rise range of each time can be correspondingly reduced, the temperature of the press roll group can be set to be relatively low, the heating temperature requirement is reduced to a certain extent, and the heating efficiency is improved; in addition, the transmission speed of the assembly can be correspondingly increased, and the packaging efficiency can be greatly improved; the assembly is in direct contact with the compression roller set, the heat exchange is faster, the efficiency is higher, in conclusion, the heating efficiency is higher in the heating process when the method is adopted for packaging the assembly, and the bubbles can be more thoroughly removed by synchronously heating and vacuumizing, so that the packaging effect is better.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the packaging equipment for the flexible solar cell module roll material of the invention;
fig. 2 is a partial schematic view of the glue applicator and the hold-down device of fig. 1.
Reference number specification, 100, unwinding device; 200. a winding device;
300. a laminating device; 310. laminating the boxes; 311. an inlet; 312. an outlet; 313. vacuumizing the interface; 320. a compression roller set; 321. a hot roller; 330. a sealing device; 331. a seal shaft; 332. sealing the bearing bush; 340. a heater;
400. a glue brushing device; 401. a glue storage box; 402. a glue outlet; 403. a pressing seat; 404. a compression spring; 405. rolling a shaft; 406. a scraper knife; 407. a limiting plate;
500. a pressing device; 501. a proximal wheel; 502. a distal wheel;
600. a cooling device;
700. an assembly; 701. an upper layer material; 702. a lower layer material; 703. an interlayer material.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
Flexible solar energy electricityThe packaging method of the pool assembly coiled material adopts the single-component organic silicone adhesive to bond each layer of material in the assembly, the assembly 700 is sequentially extruded by a plurality of groups of hot press roll groups 320, and the assembly 700 is simultaneously vacuumized in the extruding and heating process. Preferably, the vacuum degree is maintained at-0.8X 10 during vacuum pumping5Pa to-0.6X 105Pa is between Pa. The temperature of the press roll group 320 rises in sequence from 50 +/-10 ℃ to 100 +/-10 ℃, the temperature difference between hot rolls is 1-2 ℃, the rolling pressure is 750N/pair, the vacuumizing time is 30-40 minutes, the temperature of the press roll group positioned in the front is low, the glue can be heated to be softened gradually, the glue is extruded uniformly, air bubbles in the glue are removed in the rolling process, and the temperature of the press roll group positioned in the rear is high, so that the glue is cured gradually. In the process of heating and pressurizing the component, the temperature of the component is gradually increased, the temperature of the component is prevented from being discontinuously reduced, the glue is softened in the pressurizing process of the front press roller and is not solidified, so that the fluidity of the glue is good, the air fluidity of the glue is strong, air bubbles are easily extruded, and the pressing and vacuumizing are carried out simultaneously, so that the air bubbles are removed better, the temperature of the component is gradually increased by the press roller group positioned at the back, the glue is heated to the solidifying temperature, and the glue is gradually solidified to complete encapsulation. By adopting the method, the materials of all layers in the adhesive bonding assembly are used, and the trouble of tearing off the adhesive tape after the packaging is finished is avoided. The subassembly 700 extrudees in proper order through multiunit compression roller group 320, and the pressurization number of times increases, and it is more abundant to extrude, and gluey homogeneity is better, and the encapsulation effect is good, simultaneously because glue extrudees repeatedly, and bubble wherein is crowded garrulous repeatedly, and glues and is mobile, therefore the bubble spills over more thoroughly, can avoid the bubble pressurization to finish when not getting rid of completely, more is favorable to getting rid of the bubble. The assembly 700 is in direct contact with the compression roller set 320, heat exchange is faster, efficiency is higher, and heating efficiency can be further improved. The heating and pressurizing processes of the assembly 700 are simultaneously carried out by utilizing the hot press roller group 320, the temperature of the assembly 700 is gradually increased along with the increase of the number of the contact press rollers, the temperature rise is stable, the energy used for temperature rise in the heating and pressurizing process can be fully utilized on the softening glue or the curing glue, and the waste of energy sources can be reduced; in addition, the heating of the multiple roller sets can reduce the heating component of the single roller setThe temperature rise range is too high, so that the temperature of the unit compression roller group can be reduced, the conveying speed of the assembly can be increased, the heating efficiency is improved, and the packaging efficiency is improved; the vacuum pumping synchronously performed in the heating and pressurizing process can ensure that the air bubbles are removed more thoroughly, and the packaging effect is better. After heating, pressurizing and vacuumizing, the mixture enters a cooling chamber to be cooled and solidified, and the total time of heating, solidifying and cooling and solidifying is preferably 30-60 minutes.
Preferably, the assembly has a conveying speed of 6 to 9 m/min, a spacing between two adjacent press roller sets of 30. + -.5 mm, and a diameter of the heat roller of 0.1 to 0.15 m.
By adopting the method, the temperature of the hot roller is gradually increased, and the heating energy is more reasonably distributed.
The method of the invention can be realized by adopting the following equipment:
an apparatus for packaging a flexible solar cell module roll material, as shown in fig. 1, includes an unwinding device 100, a laminating device 300, and a winding device 200. The laminating device is positioned between the unwinding device and the winding device. The three unwinding devices 100 are respectively used for unwinding three materials. The unwinding device 100 may be a conventional coiled material unwinding device, and the winding device 200 may be a conventional coiled material winding device, as long as the size of the coiled material can meet the requirements. The winding device 200 can pull the assembly 700 for transmission during the winding process.
The laminating apparatus 300 includes a laminating tank 310, a heat roller 321 rotatably provided in the laminating tank 310, a driving device that drives the heat roller 321 to rotate, a heating device, and a vacuum-pumping device. The laminated box 310 is fixedly arranged on the shelf body. The plurality of heat rollers 321 are divided into upper and lower two layers, and the upper and lower two layers are arranged in pairs, wherein each two heat rollers 321 arranged in the upper and lower opposite directions form a press roller group 320, the plurality of press roller groups 320, preferably 35-50 groups, are arranged in the laminating box 310, and the plurality of press roller groups 320 are uniformly arranged in a row along the conveying direction of the assembly 700. The conveying plane of the laminated assembly 700 is defined as an assembly conveying plane, and the two heat rollers 321 in the press roller group 320 are symmetrically disposed with respect to the assembly conveying plane, wherein an upper heat roller is located above the assembly conveying plane and a lower heat roller is located below the assembly conveying plane. The axes of rotation of the heated rollers 321 are parallel to each other, parallel to the plane of conveyance of the assembly and perpendicular to the direction of conveyance of the assembly 700. The spacing between the upper and lower heated rolls is less than the thickness of the finished assembly 700 and equal to the thickness of the finished product. The assembly 700 passes between two heated rolls 321 in each roll stack 320 in sequence.
The driving means drives the heat roller 321 to rotate, and assists the movement of the assembly 700 from one end of the laminating apparatus to the other while pressing the heating assembly 700. The driving device here may be formed by a plurality of rotation drivers such as motors or revolving cylinders, wherein each driver independently drives one of the heat rollers 321 to be actively rotated to rotate, and each heat roller 321 to be actively rotated is fixedly connected to an output shaft of one driver. The driving device can also be composed of a rotary driver and an inter-group transmission mechanism. Wherein the output shaft of the rotation driver is fixedly connected with one of the hot rollers 321. The transmission mechanism between groups can be a transmission chain or a transmission belt mechanism, the transmission mechanism between groups is responsible for transmission between two adjacent compression roller groups, two transmission wheels are arranged and respectively and coaxially fixedly connected with two upper hot rollers/lower hot rollers in two adjacent compression roller groups, the two transmission wheels are connected through the transmission belt/chain to enable the two transmission wheels to synchronously rotate, and the hot rollers which are not directly driven in the compression roller groups passively rotate through friction between the hot rollers and the assembly 700. The driving device can also drive all the hot rollers 321 to rotate actively, so an inter-group transmission mechanism is also needed, the inter-group transmission mechanism can be set as two gears which are meshed with each other, and the two gears are respectively and coaxially and fixedly connected with the upper hot roller and the lower hot roller, so that the upper hot roller and the lower hot roller rotate oppositely. In short, it is sufficient that the rotation directions of all the upper heat rollers are the same, the rotation directions of all the lower heat rollers are the same, and the rotation directions of the upper heat rollers and the lower heat rollers are opposite to each other.
The driving device can be arranged in the laminating box 310, an opening is required to be arranged on the laminating box 310, a power supply or an air source is communicated with a wire for supplying power to the motor or a pipeline for supplying air to the air cylinder, the opening is as small as possible, and a sealing ring is used for sealing a gap between the edge of the opening and the wire or the pipeline. The driving device can also be arranged outside the laminating box 310, and the end of the hot roller 321 needs to extend out of the laminating box 310 or a shaft extending out of the laminating box 310 is coaxially and fixedly connected to the end of the hot roller 321 for connecting the driving device.
An oil passage is arranged in each hot roller 321, and an oil inlet pipe and an oil outlet pipe are respectively arranged at two ends of the oil passage. The oil inlet pipe and the oil outlet pipe are both communicated with a heat conduction oil furnace, and the heat conduction oil furnace circularly supplies heat conduction oil to each hot roller 321. An oil inlet of the heat-conducting oil furnace is communicated with each oil outlet pipe through a pipeline, and the pipelines are respectively in rotary sealing connection with the corresponding oil outlet pipes; the oil outlet of the heat conduction oil furnace is also communicated with each oil inlet pipe through a plurality of pipelines, and the pipelines are respectively connected with the oil inlet pipes in a rotating and sealing manner, so that the heat conduction oil can be continuously supplied circularly when the hot roller 321 rotates. The heat conduction oil furnace is the existing equipment, and can be directly purchased, such as a gas heat conduction oil furnace or a heat conduction oil heater produced by Suyingwarmtong, and the like.
An inlet 311 and an outlet 312 are respectively arranged at two ends of the laminating box 310, wherein the inlet 311 faces the unwinding device 100, the outlet 312 faces the winding device 200, and the components enter the laminating box 310 from the inlet 311, and are rolled by the roller sets 320 in the laminating box 310 and then are transmitted out from the outlet 312. The laminating box 310 is provided with a vacuumizing interface 313 communicated with an air inlet of a vacuumizing device, the air inlet of the vacuumizing device is communicated with the vacuumizing interface 313, and the interior of the laminating box is continuously vacuumized after the vacuumizing device is started. The outlet 312 and the inlet 311 are respectively provided with a sealing device 330, the sealing device 330 comprises two sealing shafts 331 and sealing bearing shoes 332 respectively fitted to the two sealing shafts, and the two pairs of sealing shafts and the corresponding sealing bearing shoes are symmetrically arranged about the conveying plane of the assembly. The length of the seal shaft coincides with the length of the inlet 311 and the outlet 312. The sealing shafts 331 are rotatably connected with the laminating box, the circumferential surfaces of the sealing shafts 331 are flexible, the distance between the two sealing shafts 331 is smaller than or equal to the thickness of the glued component 700, the component 700 passes between the two sealing shafts 331 when entering and exiting the laminating box 310, and the circumferential surfaces of the sealing shafts 331 are tightly attached to the upper surface and the lower surface of the component 700, so that air can be prevented from entering the laminating box 310 from the space between the sealing shafts 331 and the component 700. With the sealed axle bush 332 setting that leans on the sealed axle adaptation of setting up in the top that corresponds sealed axle, with the sealed axle bush 332 setting that leans on the sealed axle adaptation of setting down in the below that corresponds sealed axle, guarantee that the setting of sealed axle bush can not interfere the subassembly business turn over lamination case. The outer peripheral surface of the seal bush 332 is hermetically fixed to the laminated case 310, so that excessive air can be prevented from entering the laminated case 310 from the periphery of the seal shaft 331. The sealing device 330 can improve the sealing performance in the laminated box 310 as much as possible without affecting the entrance and exit of the assembly 700 into and out of the laminated box 310, so that the vacuum degree in the laminated box 310 can reach-80 KPa to-60 KPa.
By adopting the packaging equipment with the structure, the relative closed space necessary for vacuumizing is provided for the vacuumizing device by utilizing the laminating box 310, the roller group 320 is completely positioned in the laminating box 310, when the hot roller group 320 heats and pressurizes the components, the heating, pressurizing and vacuumizing processes are simultaneously and synchronously carried out, the heating device, the roller group 320 and the laminating box 310 are superposed in space, the occupied space of the equipment is smaller, in addition, the laminating box 310 can reduce the heat exchange between the hot roller group 320 and the surrounding environment, the heat loss of the roller group 320 can be reduced, the heating efficiency of the equipment is improved, and the energy consumption is reduced.
Preferably, the heaters 340 are respectively and fixedly arranged in the wall of the top and the wall of the bottom of the laminated box 310, and the heaters 340 may be electric heating devices such as electric heating plates and electric heating tubes, or heating tubes with heat conducting oil circulating therein, in short, the box body of the laminated box 310 can be heated, so that the hot laminated box 310 can be used as a heat barrier, heat exchange between the inside and the outside of the laminated box 310 is reduced, heat preservation of the hot roller 321 is facilitated, and the stability of temperature rise of the assembly 700 is facilitated.
Need brush glue on the material before the lamination after the material unreels, this process of brush glue can be gone on through manual operation, and the better mode is that set up brush glue device 400 between unreeling device 100 and lamination device 300, can replace the manual work brush glue on the material of subassembly 700, improve equipment's degree of automation, make the processing of subassembly 700 more convenient. As shown in fig. 1 and 2, the glue brushing device 400 includes two glue storage boxes 401, each glue storage box is a long-strip-shaped box body and is arranged along the width direction of the assembly, and a glue outlet nozzle 402, a glue pressing mechanism and a scraper knife are sequentially arranged on one side wall of each glue storage box. Go out the width that gluey mouth 402 set up and length more than or equal to subassembly along the length direction of box, store up and be provided with gluey pump on the gluey case, the export intercommunication of gluey pump goes out gluey mouth 402, glues the gluey pump import intercommunication of pump and stores up the gluey in gluey case 401, glues the pump and will store up gluey in the gluey case and carry to going out gluey mouth 402. The glue pressing mechanism comprises a pressing spring 404, a pressing seat 403 and a rolling shaft 405. The stretching direction of the pressing spring 404 is perpendicular to the component conveying plane, one end of the pressing spring 404 is fixedly connected to the glue storage box, and the other end of the pressing spring 404 is fixedly connected to the pressing base. The rolling shaft 405 is rotatably connected to the pressing base 403 and is located on the side away from the pressing spring 404. The axis of the rolling shaft 405 is parallel to the length direction of the glue storage box, and the length of the rolling shaft is larger than or equal to the width of the assembly. The scraper knife 406 is arranged along the length of the glue storage box, and the cross section of the scraper knife is in a herringbone shape, wherein the top of the herringbone is fixedly connected with the glue storage box. Two glue storage boxes are respectively and fixedly arranged on the frame body, and are symmetrically arranged relative to the assembly conveying plane, the width direction of the glue storage boxes is parallel to the width direction of the assembly, the glue outlet nozzle 402, the glue pressing mechanism and the scraper knife 406 are all positioned on one side of the glue storage box 401, which is far away from the assembly conveying plane, the glue outlet nozzle is close to the unwinding device, the scraper knife is close to the laminating device, and the glue pressing mechanism is positioned between the glue outlet nozzle and the scraper knife. During glue brushing, a middle layer material 703 of the assembly passes between two glue storage boxes 401, an upper layer material 701 and a lower layer material 702 are respectively positioned at two sides of the middle layer material and pass through a glue outlet 402 at a corresponding side, during the transmission process of the assembly 700, the upper layer material 701 and the lower layer material 702 sequentially pass through the glue outlet 402 at the corresponding side, a rolling shaft 405 and a scraper 406, glue flowing out of the glue outlet 402 is adhered to the material, the rolling shaft is pressed on the material by a pressing spring 404, the rolling shaft 405 rolls over the glue surface to uniformly spread and press the glue on the material, the scraper 406 finally passes through the material surface to further uniformly level the glue, and simultaneously, redundant glue is scraped from the material, and residual glue is collected on the scraper 406 during the process, so that manual operation is replaced to uniformly, flatly and tightly lay the glue on the material.
Preferably, two limiting plates 407 fixedly connected to the frame body are further disposed in the glue brushing device 400, and the two limiting plates 407 are parallel to the assembly conveying plane and located at the upper and lower ends of the two glue storage boxes respectively. Upper and lower two-layer material passes between adjacent glue storage box 401 and the limiting plate 407 from respectively, and the material is hugged closely in the internal surface of limiting plate 407 in the end at the brush glue in-process, and limiting plate 407 can avoid the material to take place buckling deformation under compression spring 404's oppression, and limiting plate 407 can guarantee out the distance between jiao zui 402 and spiller 406 and the material invariable in addition, and the volume of being convenient for control out glue also is convenient for control the gluey volume that spiller 406 can scrape.
As shown in fig. 1 and 2, a pressing device 500 is preferably further disposed between the glue brushing device 400 and the laminating device 300. The pressing device 500 comprises two far wheels and two near wheels, the near wheels and the far wheels are flexible wheels rotatably arranged on the frame body, the near wheels and the far wheels are long-axis wheels, the long wheels are arranged along the width direction of the assembly, the length of the near wheels and the length of the far wheels are equal to or more than the width of the assembly, and the rotating axes of the near wheels and the far wheels are parallel to the conveying direction of the assembly conveying plane and perpendicular to the assembly 700. The two near wheels are symmetrically arranged on the upper side and the lower side of the assembly conveying plane, the distance between the two near wheels is smaller than or equal to the thickness of the assembly 700, the two far wheels are also symmetrically arranged on the upper side and the lower side of the assembly conveying plane, and the vertical distance from the farthest point on the far wheels, which is far away from the assembly conveying plane, to the assembly conveying plane is equal to the vertical distance from the farthest point on the far wheels, which is far away from the assembly conveying plane, to the assembly conveying plane. The distal wheel 502 is located on the side near the glue applicator 400 and the two proximal wheels 501 are located on the side away from the glue applicator. The upper layer material 701 and the lower layer material 702 respectively wind from one side, far away from the assembly conveying plane, of the far wheel 502 to one side, close to the assembly conveying plane, of the near wheel 501, the two far wheels 502 enable the upper layer material 701 and the lower layer material 702 to smoothly pass through the space between the glue storage box 401 and the limiting plate 407, the two near wheels enable the upper layer material 701 and the lower layer material 702 to be guided to the middle layer material 703, the three layers of far materials can be tightly attached together, and meanwhile, the function of tensioning the materials is achieved, and the materials are guided.
Preferably, a cooling device 600 is disposed between the laminating device 300 and the winding device 200 for rapidly cooling the packaged assembly 700 before winding, so as to reduce the time for cooling the assembly 700 and improve the production efficiency. The cooling device 600 may employ fans commonly used in the laminating machine, and cool the component 700 while being conveyed by blowing air toward the component 700, or may use other refrigeration equipment such as an air conditioner to create a low-temperature environment around the component 700 while being conveyed, or in short, may implement cooling of the component 700.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A packaging method of a flexible solar cell module coiled material is characterized by comprising the following steps: using the materials of each layer in the adhesive bonding assembly, extruding and heating the materials by a plurality of groups of hot press roll sets (320) positioned on the same conveying plane until the assembly (700) is solidified, and simultaneously vacuumizing the assembly (700) while extruding and heating the materials, wherein the vacuum degree is-0.8 multiplied by 105Pa to-0.6X 105Pa, the vacuumizing time is 30-40 minutes, the diameter of the heating roller is 0.1-0.15m, the distance between two adjacent pressing roller sets is 30 +/-5 mm, the temperatures of the pressing roller sets are sequentially increased, the temperature difference between adjacent heating rollers is 1-2 ℃, the conveying speed of the assembly is 6-9 m/minute, and the pressurizing pressure of the heating roller is 500-750N/pair.
2. The method of packaging a roll of flexible solar cell modules as claimed in claim 1 wherein: the glue is organic silicone glue, and the temperature of the compression roller group (320) is gradually increased from 50 +/-10 ℃ to 100 +/-10 ℃.
3. The method of packaging a roll of flexible solar cell modules as claimed in claim 2 wherein: and cooling and solidifying the mixture after heating, pressurizing and vacuum solidifying, wherein the cooling and solidifying time is 0-30 minutes.
4. A method of encapsulating a web of flexible solar cell modules according to any one of claims 1 to 3, characterized in that: packaging is carried out by adopting packaging equipment with the following structure, wherein the packaging equipment comprises an unreeling device (100), a laminating device (300) and a reeling device (200), and the laminating device (300) comprises a laminating box (310), a hot roller (321) rotationally arranged in the laminating box (310), a driving device for driving the hot roller (321) to rotate, a heating device for heating the hot roller (321) and a vacuumizing device for vacuumizing the laminating box (310); an outlet (312) and an inlet (311) are respectively arranged at two ends of the laminating box (310), and sealing devices (330) are respectively arranged at the outlet (312) and the inlet (311); every two hot rollers (321) which are oppositely arranged up and down form a press roller group (320), the press roller group (320) is uniformly arranged along the conveying direction of the assembly (700), and the distance between the two hot rollers (321) in the press roller group (320) is smaller than the thickness of the assembly (700); and a vacuumizing interface (313) communicated with an air inlet of a vacuumizing device is arranged on the laminating box (310).
5. The method of packaging a roll of flexible solar cell modules as claimed in claim 4 wherein: a heater (340) is fixedly arranged in the wall of the laminated box (310) to heat the laminated cavity.
6. The method of packaging a roll of flexible solar cell modules as claimed in claim 4 wherein: the glue brushing device (400) is arranged between the unreeling device (100) and the laminating device (300), glue brushing is completed through the glue brushing device, the glue brushing device (400) comprises two symmetrically arranged glue storage boxes (401), and a glue outlet nozzle, a glue pressing mechanism and a scraper knife are sequentially arranged on the side walls, far away from each other, of the two glue storage boxes respectively; the glue outlet nozzle (402) is arranged along the length direction of the box body, the length of the glue outlet nozzle is more than or equal to the width of the component, the glue storage box is provided with a glue pump, the outlet of the glue pump is communicated with the glue pump of the glue outlet nozzle (402), and the inlet of the glue pump is communicated with the glue storage box (401); the glue pressing mechanism comprises a pressing spring, a pressing seat and a rolling shaft, the stretching direction of the pressing spring (404) is vertical to the component conveying plane, one end of the pressing spring (404) is fixedly connected to the glue storage box, the other end of the pressing spring is fixedly connected with the pressing seat, the rolling shaft (405) is rotatably connected to the pressing seat (403), the axis of the rolling shaft (405) is parallel to the length direction of the glue storage box, and the length of the rolling shaft is larger than or equal to the width of the component; the scraper knife is arranged along the length of the glue storage boxes, the two glue storage boxes are respectively and fixedly arranged on the frame body and are symmetrically arranged relative to the conveying plane of the assembly, and the width direction of the glue storage boxes is parallel to the width direction of the assembly; during glue brushing, the middle layer material (703) passes through the space between the two glue storage boxes (401), the upper layer material (701) and the lower layer material (702) respectively pass by one sides of the two glue storage boxes far away from the conveying plane of the assembly, and sequentially pass through the glue outlet nozzle (402), the rolling shaft (405) and the scraper knife (406).
7. The method of packaging a roll of flexible solar cell modules as claimed in claim 6 wherein: the glue brushing device (400) further comprises two limiting plates (407) parallel to the assembly conveying plane, the two limiting plates (407) are respectively located at the upper end and the lower end of the glue brushing device (400), and the parts, contacting the glue brushing device (400), of the upper layer material (701) and the lower layer material (702) are tightly attached to the adjacent limiting plates (407).
8. The method of packaging a roll of flexible solar cell modules as claimed in claim 6 wherein: a pressing device (500) is further arranged between the glue brushing device (400) and the laminating device (300), the pressing device (500) comprises two near wheels (501) and two far wheels (502), the near wheels and the far wheels are four flexible wheels which are arranged in a rotating mode, the near wheels and the far wheels are arranged along the width direction of the assembly, the lengths of the near wheels and the far wheels are larger than or equal to the width of the assembly, and the rotating axes of the near wheels and the far wheels are parallel to the conveying plane of the assembly and perpendicular to the conveying direction of the assembly (700); the two near wheels are symmetrically arranged on the upper side and the lower side of the conveying plane of the assembly, and the distance between the two near wheels is smaller than or equal to the thickness of the assembly (700); two far wheels are also symmetrically arranged on the upper side and the lower side of the component conveying plane, and the vertical distance from the farthest point on the far wheels away from the component conveying plane to the component conveying plane is equal to the vertical distance from the farthest point on the far wheels away from the component conveying plane to the component conveying plane.
9. The method of packaging a roll of flexible solar cell modules as claimed in claim 5 wherein: also comprises a cooling device (600) arranged between the laminating device (300) and the rolling device (200).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201985134U (en) * | 2011-03-05 | 2011-09-21 | 常州天合光能有限公司 | Solar cell module with high light transmission structure |
| TW201225320A (en) * | 2010-12-07 | 2012-06-16 | Aplus Energy Co Ltd | Improvement of solar module manufacturing method |
| CN107689401A (en) * | 2017-09-14 | 2018-02-13 | 旭科新能源股份有限公司 | A kind of volume to volume package system and method for flexible thin-film solar cell |
| CN207217560U (en) * | 2017-09-14 | 2018-04-10 | 旭科新能源股份有限公司 | A kind of volume to volume package system for flexible thin-film solar cell |
| CN208596688U (en) * | 2018-07-13 | 2019-03-12 | 汉能移动能源控股集团有限公司 | Heat-sealing device and solar cell module for solar cell module |
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2019
- 2019-05-13 CN CN201910395066.8A patent/CN110091572B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201225320A (en) * | 2010-12-07 | 2012-06-16 | Aplus Energy Co Ltd | Improvement of solar module manufacturing method |
| CN201985134U (en) * | 2011-03-05 | 2011-09-21 | 常州天合光能有限公司 | Solar cell module with high light transmission structure |
| CN107689401A (en) * | 2017-09-14 | 2018-02-13 | 旭科新能源股份有限公司 | A kind of volume to volume package system and method for flexible thin-film solar cell |
| CN207217560U (en) * | 2017-09-14 | 2018-04-10 | 旭科新能源股份有限公司 | A kind of volume to volume package system for flexible thin-film solar cell |
| CN208596688U (en) * | 2018-07-13 | 2019-03-12 | 汉能移动能源控股集团有限公司 | Heat-sealing device and solar cell module for solar cell module |
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